Feta Cheese vs Light Mayonnaise
Side-by-side macro comparison. Feta Cheese vs Light Mayonnaise per their standard serving sizes.
Light Mayonnaise
per 1 tbsp (15g)
Macro Comparison Table
| Macro | Feta Cheese | Light Mayonnaise | Difference |
|---|---|---|---|
| Calories | 75 cal | 35 cal | +114% Feta |
| Protein | 4g | 0g | 0% Feta |
| Carbs | 1.2g | 1g | +20% Feta |
| Fat | 6g | 3.5g | +71% Feta |
Differences shown relative to Feta Cheese. Positive = Feta Cheese has more.
Quick Take
Feta Cheese delivers 75 calories per serving with 4g protein, 1.2g carbs, and 6g fat. Light Mayonnaise delivers 35 calories with 0g protein, 1g carbs, and 3.5g fat. The most meaningful difference: Light Mayonnaise saves 40 calories per serving — meaningful over a week of meals. Both deliver similar protein density.
When to Pick Each
For Cutting / Weight Loss
When cutting on a tight calorie budget, Light Mayonnaise gives you 40 more calories of headroom per serving — that's room for an extra snack, more vegetables, or a higher-protein second portion. If protein density matters more (which it does for preserving muscle on a deficit), Feta Cheese delivers more grams of protein per calorie consumed.
For Bulking / Muscle Gain
For muscle gain, you want calories AND protein. Feta Cheese brings 75 calories — useful when you're chasing a surplus and struggling to eat enough. Feta Cheese delivers 4g of protein per serving, which directly feeds muscle protein synthesis. The best pick depends on whether you need more total calories or more usable protein.
For Keto / Low-Carb
Both Feta Cheese and Light Mayonnaise are keto-friendly with under 10g carbs per serving.
Frequently Asked
Which has more protein, Feta Cheese or Light Mayonnaise?
Feta Cheese has more protein: 4g vs 0g per serving. That's a difference of 4g.
Which has fewer calories, Feta Cheese or Light Mayonnaise?
Light Mayonnaise has 35 calories per serving vs 75 calories in Feta Cheese — a difference of 40 calories.
Is Feta Cheese or Light Mayonnaise better for keto?
Light Mayonnaise is the better keto choice at 1g carbs per serving vs 1.2g carbs in Feta Cheese.
Is Feta Cheese or Light Mayonnaise better for weight loss?
For weight loss, Light Mayonnaise gives you more calorie flexibility (40 cal less per serving). For preserving muscle during a deficit, Feta Cheese delivers more protein per calorie. Most people on cuts benefit from Feta Cheese.
Which Is Better for Your Goal?
🔥 Weight Loss
Feta Cheese
Higher protein-to-calorie density + lower absolute fat = more satiety per calorie.
💪 Muscle Gain
Feta Cheese
Higher absolute protein per serving better supports muscle protein synthesis.
🥑 Low-Carb / Keto
Light Mayonnaise
Lower carbohydrate content fits keto and low-carb macros without burning your carb budget.
Both fit most balanced diets. These verdicts reflect macro-only comparisons — taste, satiety, cost, and personal preference also matter.
Find Your Personal Macros
The "right" food depends on your individual macro targets. Calculate yours in 60 seconds:
→ Calculate My Macros (Free)Related Comparisons
Other ways Feta Cheese and Light Mayonnaise stack up:
Full Feta Cheese guide • Full Light Mayonnaise guide • All comparisons